1 | DROP TABLE IF EXISTS map_baeche_g0; |
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2 | -- |
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3 | SELECT (ST_Dump(ST_Linemerge(ST_Collect(ST_SimplifyPreserveTopology( wkb_geometry, 2.5 ))))).geom AS wkb_geometry, |
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4 | NULL::text AS widmung |
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5 | INTO map_baeche_g0 |
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6 | FROM ax_gewaesserachse; |
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7 | -- |
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8 | DROP SEQUENCE IF EXISTS map_baeche_g0_gid_seq; |
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9 | CREATE SEQUENCE map_baeche_g0_gid_seq; |
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10 | ALTER TABLE map_baeche_g0 ADD COLUMN gid INTEGER; |
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11 | UPDATE map_baeche_g0 SET gid = nextval('map_baeche_g0_gid_seq'); |
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12 | ALTER TABLE map_baeche_g0 ALTER COLUMN gid SET DEFAULT nextval('map_baeche_g0_gid_seq'); |
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13 | CREATE INDEX map_baeche_g0_gidx ON map_baeche_g0 USING GIST ( wkb_geometry ); |
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14 | -- |
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15 | -- |
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16 | DROP TABLE IF EXISTS map_baeche_g1; |
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17 | -- |
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18 | SELECT (ST_Dump(ST_SimplifyPreserveTopology( wkb_geometry, 5 ))).geom AS wkb_geometry, widmung |
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19 | INTO map_baeche_g1 |
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20 | FROM map_baeche_g0; |
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21 | -- |
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22 | DROP SEQUENCE IF EXISTS map_baeche_g1_gid_seq; |
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23 | CREATE SEQUENCE map_baeche_g1_gid_seq; |
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24 | ALTER TABLE map_baeche_g1 ADD COLUMN gid INTEGER; |
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25 | UPDATE map_baeche_g1 SET gid = nextval('map_baeche_g1_gid_seq'); |
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26 | ALTER TABLE map_baeche_g1 ALTER COLUMN gid SET DEFAULT nextval('map_baeche_g1_gid_seq'); |
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27 | CREATE INDEX map_baeche_g1_gidx ON map_baeche_g1 USING GIST ( wkb_geometry ); |
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28 | -- |
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29 | -- |
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30 | DROP TABLE IF EXISTS map_baeche_g2; |
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31 | -- |
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32 | SELECT (ST_Dump(ST_SimplifyPreserveTopology( wkb_geometry, 15 ))).geom AS wkb_geometry, widmung |
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33 | INTO map_baeche_g2 |
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34 | FROM map_baeche_g1; |
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35 | -- |
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36 | DROP SEQUENCE IF EXISTS map_baeche_g2_gid_seq; |
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37 | CREATE SEQUENCE map_baeche_g2_gid_seq; |
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38 | ALTER TABLE map_baeche_g2 ADD COLUMN gid INTEGER; |
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39 | UPDATE map_baeche_g2 SET gid = nextval('map_baeche_g2_gid_seq'); |
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40 | ALTER TABLE map_baeche_g2 ALTER COLUMN gid SET DEFAULT nextval('map_baeche_g2_gid_seq'); |
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41 | CREATE INDEX map_baeche_g2_gidx ON map_baeche_g2 USING GIST ( wkb_geometry ); |
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42 | -- |
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43 | -- |
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44 | DROP TABLE IF EXISTS map_baeche_g3; |
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45 | -- |
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46 | SELECT (ST_Dump(ST_SimplifyPreserveTopology( wkb_geometry, 35 ))).geom AS wkb_geometry, widmung |
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47 | INTO map_baeche_g3 |
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48 | FROM map_baeche_g2; |
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49 | -- |
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50 | DROP SEQUENCE IF EXISTS map_baeche_g3_gid_seq; |
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51 | CREATE SEQUENCE map_baeche_g3_gid_seq; |
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52 | ALTER TABLE map_baeche_g3 ADD COLUMN gid INTEGER; |
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53 | UPDATE map_baeche_g3 SET gid = nextval('map_baeche_g3_gid_seq'); |
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54 | ALTER TABLE map_baeche_g3 ALTER COLUMN gid SET DEFAULT nextval('map_baeche_g3_gid_seq'); |
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55 | CREATE INDEX map_baeche_g3_gidx ON map_baeche_g3 USING GIST ( wkb_geometry ); |
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56 | -- |
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57 | -- |
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58 | DROP TABLE IF EXISTS map_baeche_g4; |
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59 | -- |
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60 | SELECT (ST_Dump(ST_SimplifyPreserveTopology( wkb_geometry, 65 ))).geom AS wkb_geometry, widmung |
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61 | INTO map_baeche_g4 |
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62 | FROM map_baeche_g3; |
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63 | -- |
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64 | DROP SEQUENCE IF EXISTS map_baeche_g4_gid_seq; |
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65 | CREATE SEQUENCE map_baeche_g4_gid_seq; |
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66 | ALTER TABLE map_baeche_g4 ADD COLUMN gid INTEGER; |
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67 | UPDATE map_baeche_g4 SET gid = nextval('map_baeche_g4_gid_seq'); |
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68 | ALTER TABLE map_baeche_g4 ALTER COLUMN gid SET DEFAULT nextval('map_baeche_g4_gid_seq'); |
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69 | CREATE INDEX map_baeche_g4_gidx ON map_baeche_g4 USING GIST ( wkb_geometry ); |
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70 | -- |
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71 | -- |
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72 | DROP TABLE IF EXISTS map_baeche_g5; |
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73 | -- |
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74 | SELECT (ST_Dump(ST_SimplifyPreserveTopology( wkb_geometry, 125 ))).geom AS wkb_geometry, widmung |
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75 | INTO map_baeche_g5 |
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76 | FROM map_baeche_g4; |
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77 | -- |
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78 | DROP SEQUENCE IF EXISTS map_baeche_g5_gid_seq; |
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79 | CREATE SEQUENCE map_baeche_g5_gid_seq; |
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80 | ALTER TABLE map_baeche_g5 ADD COLUMN gid INTEGER; |
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81 | UPDATE map_baeche_g5 SET gid = nextval('map_baeche_g5_gid_seq'); |
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82 | ALTER TABLE map_baeche_g5 ALTER COLUMN gid SET DEFAULT nextval('map_baeche_g5_gid_seq'); |
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83 | CREATE INDEX map_baeche_g5_gidx ON map_baeche_g5 USING GIST ( wkb_geometry ); |
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84 | -- |
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85 | -- |
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86 | DROP TABLE IF EXISTS map_baeche_g6; |
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87 | -- |
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88 | SELECT (ST_Dump(ST_SimplifyPreserveTopology( wkb_geometry, 250 ))).geom AS wkb_geometry, widmung |
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89 | INTO map_baeche_g6 |
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90 | FROM map_baeche_g5; |
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91 | -- |
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92 | DROP SEQUENCE IF EXISTS map_baeche_g6_gid_seq; |
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93 | CREATE SEQUENCE map_baeche_g6_gid_seq; |
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94 | ALTER TABLE map_baeche_g6 ADD COLUMN gid INTEGER; |
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95 | UPDATE map_baeche_g6 SET gid = nextval('map_baeche_g6_gid_seq'); |
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96 | ALTER TABLE map_baeche_g6 ALTER COLUMN gid SET DEFAULT nextval('map_baeche_g6_gid_seq'); |
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97 | CREATE INDEX map_baeche_g6_gidx ON map_baeche_g6 USING GIST ( wkb_geometry ); |
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